Press release

DSM – repurchase of shares (25-31 March 2011)

Heerlen, NL, 01 Apr 2011 10:15 CEST

Royal DSM, the global Life Sciences and Materials Sciences company, has repurchased 349,822 of its own shares in the period from 25 March 2011 up to and including 31 March 2011 at an average price of €43.34. This is in accordance with the repurchase, covering existing option plans, announced on 23 February 2011. The consideration of this repurchase was €15.2 million.

The total number of shares repurchased under this program to date is 2,124,716 shares for a total consideration of €90.5 million.